How many electrons need to flow through the electron transport chain of the light reactions to generate one molecule of ATP?

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asked Nov 26, 2021 75.5k views

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Loic · Answer 1 · 2021-12-03T02:27:36+0000

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Since four protons are needed to drive the synthesis of one molecule of ATP, passage of each pair of electrons through photosystems I and II by noncyclic electron flow yields between 1 and 1.5 ATP molecules.

How many electrons need to flow through the electron transport chain of the light reactions to generate one molecule of ATP?

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